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Thread: Stereo mode and HE-AAC question

  1. #1
    Join Date
    Jan 2010
    Posts
    18

    Default Stereo mode and HE-AAC question

    Is there a possibility to specify stereo/mono mode when transcoding to AAC?

    Do you have any plans to add support for HE-AAC transcoding in addition to the AAC LC? That would be very useful for lower bitrates transcoding.


    Regards,
    Goran Tomas

  2. #2
    Join Date
    Dec 2007
    Posts
    21,962

    Default

    I don't think stereo/mono is configurable, there is nothing in the default template

    I don't know of any plans to support he-aac, but it is possible in the future.

    Richard

  3. #3
    Join Date
    Jan 2010
    Posts
    18

    Default

    Thanks for your reply. If I may suggest, adding both would be a great improvement for the audio part of the transcoding.

    Being able to set the AAC mode to mono for example at 64 kbps, improves the codec efficiency almost twice and therefore significantly improves the audio quality at these bitrates.

    HE-AAC option would allow very low bitrates to be used (48 kbps stereo, 32 kbps stereo or even 24 kbps mono) for the low-bitrate streams and enhance the audio experience at these low bitrates.


    Regards,
    Goran Tomas

  4. #4

    Default

    It is something we may add in the future. We do not ahve short term plans.

    Charlie

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